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Sedgwick County Road and Bridge Soil Borrow Area to Gravel Pit Conversion Page 16 <br /> 110(c) Operation Reclamation Permit July 3, 2025 <br /> Table 4A-Type II Hydromulch Specifications <br /> Property Requirement Test Method <br /> Fiber Retention On >40% Tyler Ro-Tap Method <br /> 28-Mesh Screen <br /> Moisture Content 12%±2% Total Air Dry Weight <br /> Basis <br /> Organic Matter 99.2%± 0.2% Oven Dry Weight <br /> Basis <br /> Ash Content 0.8%± 0.2% Oven Dry Weight <br /> Basis <br /> pH At 3% 4.5-7.0±0.5% <br /> Consistency In Water <br /> Sterilized Weed-Free Yes <br /> Non-Toxic To Plant Yes <br /> Or Animal Life <br /> Application rate 3,000 lb./acre <br /> The soil and fiber stabilizing compound shall be composed of linear anionic copolymers of <br /> acrylamide pre-packed within the bag having a minimum content of 1.0 percent. The compound <br /> shall conform to the following: <br /> Table 4B-Type II Hydromulch Specifications <br /> Property Requirement <br /> Molecular Weight > 12x106 <br /> Charge Density >25% <br /> Non-Toxic To Plant Or Animal Life Yes <br /> The NRCS does not recommend any trees or shrubs to be used for reclamation of the mining area. <br /> 4.6 Reclamation Costs <br /> 4.6.1 Cost of Earthworks for Topsoil <br /> In October 2022,AEC bid out construction of a final cover system for Morgan County landfill. As <br /> part of this bid there were estimated costs of placing a protective cover soil. This is a very similar <br /> process to what will be done for topsoil placement for reclamation of the gravel pit. Both processes <br /> involve placement of a 6-inch thick layer of topsoil that is not compacted and use soils that are in <br /> an immediate area. The inflation adjusted average bid cost for the placement of the protective <br />